Science

Thursday, 20 August 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Phobos
Phobos’ orbit decreases by about 1,8 meters every 100 years.
In about 50 million years, the moon could be torn apart by Mars’ tidal forces or fall to its surface.
Large Magellanic Cloud
It is located approximately 163.000 light-years from the Milky Way.
The measurement error from 2013 is 2.2 percent.
Fungi
Mycelium can become visible to the naked eye, for example, on various surfaces and substrates, such as damp walls, spoiled food, etc.
Mycelia, grown on solid surfaces, are called colonies. Some individual colonies can reach extraordin ...
Mushrooms
Most fungi develop as hyphae, which are cylindrical, filamentous structures 2-10 µm in diameter and up to a few centimeters long.
The hyphae branch, merge, which leads to the formation of mycelium, which is an interconnected netwo ...
Liver
It is responsible for blood production in fetal life.
Graphene
Already in the 19th century, scientists speculated that graphite was composed of layers.
This was only proven through research at the beginning of the 20th century, In 1947, the first theor ...
Snow
On average, snowflakes are about five millimeters in diameter and weigh about four milligrams.
As temperatures rise, snowflakes become larger as the crystals thaw and then stick together to form ...
Brain
An adult brain can store the equivalent of 2.5 million gigabytes of information.
NASA
Apollo 13 launched on April 11th, 1970, and was forced to cancel the landing on the lunar surface (precisely on the Fra Mauro site), because of the explosion of an oxygen tank.
Fortunately, the lunar module served as a lifeboat and returned the crew safely back to Earth.
Silver
Of all metals, it has the highest electrical conductivity, greater than copper.
However, it cannot be used for the production of electrical cables because it is subject to corrosio ...